1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <hdf_base.h>
17 #include <hdf_device_desc.h>
18 #include <hdf_sbuf_ipc.h>
19 #include <osal_mem.h>
20 #include "v1_1/thermal_interface_stub.h"
21 #include "thermal_log.h"
22
23
24 using namespace OHOS::HDI::Thermal::V1_1;
25
26 namespace {
27 struct HdfThermalInterfaceHost {
28 struct IDeviceIoService ioService;
29 OHOS::sptr<OHOS::IRemoteObject> stub;
30 };
31 }
32
ThermalInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)33 static int32_t ThermalInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
34 struct HdfSBuf *reply)
35 {
36 auto *hdfThermalInterfaceHost = CONTAINER_OF(client->device->service, struct HdfThermalInterfaceHost, ioService);
37
38 OHOS::MessageParcel *dataParcel = nullptr;
39 OHOS::MessageParcel *replyParcel = nullptr;
40 OHOS::MessageOption option;
41
42 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
43 THERMAL_HILOGE(COMP_HDI, "invalid data sbuf object to dispatch");
44 return HDF_ERR_INVALID_PARAM;
45 }
46 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
47 THERMAL_HILOGE(COMP_HDI, "invalid reply sbuf object to dispatch");
48 return HDF_ERR_INVALID_PARAM;
49 }
50
51 return hdfThermalInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
52 }
53
54 static int32_t HdfThermalInterfaceDriverInit([[maybe_unused]] struct HdfDeviceObject *deviceObject)
55 {
56 THERMAL_HILOGD(COMP_HDI, "enter");
57 return HDF_SUCCESS;
58 }
59
HdfThermalInterfaceDriverBind(struct HdfDeviceObject * deviceObject)60 static int32_t HdfThermalInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
61 {
62 THERMAL_HILOGD(COMP_HDI, "enter");
63
64 auto *hdfThermalInterfaceHost = new (std::nothrow) HdfThermalInterfaceHost;
65 if (hdfThermalInterfaceHost == nullptr) {
66 THERMAL_HILOGE(COMP_HDI, "failed to create HdfThermalInterfaceHost object");
67 return HDF_FAILURE;
68 }
69
70 hdfThermalInterfaceHost->ioService.Dispatch = ThermalInterfaceDriverDispatch;
71 hdfThermalInterfaceHost->ioService.Open = NULL;
72 hdfThermalInterfaceHost->ioService.Release = NULL;
73
74 auto serviceImpl = IThermalInterface::Get(true);
75 if (serviceImpl == nullptr) {
76 THERMAL_HILOGE(COMP_HDI, "failed to get of implement service");
77 delete hdfThermalInterfaceHost;
78 return HDF_FAILURE;
79 }
80
81 hdfThermalInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
82 IThermalInterface::GetDescriptor());
83 if (hdfThermalInterfaceHost->stub == nullptr) {
84 THERMAL_HILOGE(COMP_HDI, "failed to get stub object");
85 delete hdfThermalInterfaceHost;
86 return HDF_FAILURE;
87 }
88
89 deviceObject->service = &hdfThermalInterfaceHost->ioService;
90 return HDF_SUCCESS;
91 }
92
HdfThermalInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)93 static void HdfThermalInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
94 {
95 THERMAL_HILOGD(COMP_HDI, "enter");
96 if (deviceObject->service == nullptr) {
97 THERMAL_HILOGE(COMP_HDI, "HdfThermalInterfaceDriverRelease not initted");
98 return;
99 }
100
101 auto *hdfThermalInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfThermalInterfaceHost, ioService);
102 delete hdfThermalInterfaceHost;
103 }
104
105 static struct HdfDriverEntry g_thermalinterfaceDriverEntry = {
106 .moduleVersion = 1,
107 .moduleName = "thermal_interface_service",
108 .Bind = HdfThermalInterfaceDriverBind,
109 .Init = HdfThermalInterfaceDriverInit,
110 .Release = HdfThermalInterfaceDriverRelease,
111 };
112
113 #ifdef __cplusplus
114 extern "C" {
115 #endif /* __cplusplus */
116 HDF_INIT(g_thermalinterfaceDriverEntry);
117 #ifdef __cplusplus
118 }
119 #endif /* __cplusplus */
120